[gimp] app: add new widget GimpPickableButton
- From: Michael Natterer <mitch src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gimp] app: add new widget GimpPickableButton
- Date: Sat, 14 Sep 2013 22:33:30 +0000 (UTC)
commit 4e2868986ae296988d1952a0c75df6879a5850f4
Author: Michael Natterer <mitch gimp org>
Date: Sun Sep 15 00:30:14 2013 +0200
app: add new widget GimpPickableButton
Totally WIP and later supposed to give simple access to all sorts of
things that can provide a GeglBuffer via the GimpPickable
interface. Currently only dropping of drawables and images is
supported.
app/widgets/Makefile.am | 2 +
app/widgets/gimppickablebutton.c | 296 ++++++++++++++++++++++++++++++++++++++
app/widgets/gimppickablebutton.h | 60 ++++++++
app/widgets/widgets-types.h | 1 +
4 files changed, 359 insertions(+), 0 deletions(-)
---
diff --git a/app/widgets/Makefile.am b/app/widgets/Makefile.am
index 6369e7d..80bb889 100644
--- a/app/widgets/Makefile.am
+++ b/app/widgets/Makefile.am
@@ -257,6 +257,8 @@ libappwidgets_a_sources = \
gimppatternselect.h \
gimppdbdialog.c \
gimppdbdialog.h \
+ gimppickablebutton.c \
+ gimppickablebutton.h \
gimppixbuf.c \
gimppixbuf.h \
gimppluginaction.c \
diff --git a/app/widgets/gimppickablebutton.c b/app/widgets/gimppickablebutton.c
new file mode 100644
index 0000000..644425d
--- /dev/null
+++ b/app/widgets/gimppickablebutton.c
@@ -0,0 +1,296 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimppickablebutton.c
+ * Copyright (C) 2013 Michael Natterer <mitch gimp org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "widgets-types.h"
+
+#include "core/gimpcontext.h"
+#include "core/gimpimage.h"
+#include "core/gimplayer.h"
+#include "core/gimplayermask.h"
+#include "core/gimppickable.h"
+
+#include "gimpdnd.h"
+#include "gimpview.h"
+#include "gimpviewrenderer.h"
+#include "gimppickablebutton.h"
+
+
+enum
+{
+ PROP_0,
+ PROP_CONTEXT,
+ PROP_PICKABLE
+};
+
+struct _GimpPickableButtonPrivate
+{
+ gint view_size;
+ gint view_border_width;
+
+ GimpContext *context;
+ GimpPickable *pickable;
+
+ GtkWidget *view;
+};
+
+
+static void gimp_pickable_button_constructed (GObject *object);
+static void gimp_pickable_button_finalize (GObject *object);
+static void gimp_pickable_button_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gimp_pickable_button_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec);
+
+static void gimp_pickable_button_clicked (GtkButton *button);
+
+static void gimp_pickable_button_drop_pickable (GtkWidget *widget,
+ gint x,
+ gint y,
+ GimpViewable *viewable,
+ gpointer data);
+
+G_DEFINE_TYPE (GimpPickableButton, gimp_pickable_button, GIMP_TYPE_BUTTON)
+
+#define parent_class gimp_pickable_button_parent_class
+
+
+static void
+gimp_pickable_button_class_init (GimpPickableButtonClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GtkButtonClass *button_class = GTK_BUTTON_CLASS (klass);
+
+ object_class->constructed = gimp_pickable_button_constructed;
+ object_class->finalize = gimp_pickable_button_finalize;
+ object_class->get_property = gimp_pickable_button_get_property;
+ object_class->set_property = gimp_pickable_button_set_property;
+
+ button_class->clicked = gimp_pickable_button_clicked;
+
+ g_object_class_install_property (object_class, PROP_CONTEXT,
+ g_param_spec_object ("context",
+ NULL, NULL,
+ GIMP_TYPE_CONTEXT,
+ GIMP_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT_ONLY));
+
+ g_object_class_install_property (object_class, PROP_PICKABLE,
+ g_param_spec_object ("pickable",
+ NULL, NULL,
+ GIMP_TYPE_PICKABLE,
+ GIMP_PARAM_READWRITE));
+
+ g_type_class_add_private (klass, sizeof (GimpPickableButtonPrivate));
+}
+
+static void
+gimp_pickable_button_init (GimpPickableButton *button)
+{
+ button->private = G_TYPE_INSTANCE_GET_PRIVATE (button,
+ GIMP_TYPE_PICKABLE_BUTTON,
+ GimpPickableButtonPrivate);
+
+ button->private->view_size = GIMP_VIEW_SIZE_LARGE;
+ button->private->view_border_width = 1;
+
+ gimp_dnd_viewable_dest_add (GTK_WIDGET (button), GIMP_TYPE_LAYER,
+ gimp_pickable_button_drop_pickable,
+ NULL);
+ gimp_dnd_viewable_dest_add (GTK_WIDGET (button), GIMP_TYPE_LAYER_MASK,
+ gimp_pickable_button_drop_pickable,
+ NULL);
+ gimp_dnd_viewable_dest_add (GTK_WIDGET (button), GIMP_TYPE_CHANNEL,
+ gimp_pickable_button_drop_pickable,
+ NULL);
+ gimp_dnd_viewable_dest_add (GTK_WIDGET (button), GIMP_TYPE_IMAGE,
+ gimp_pickable_button_drop_pickable,
+ NULL);
+}
+
+static void
+gimp_pickable_button_constructed (GObject *object)
+{
+ GimpPickableButton *button = GIMP_PICKABLE_BUTTON (object);
+
+ g_assert (GIMP_IS_CONTEXT (button->private->context));
+
+ button->private->view =
+ gimp_view_new_by_types (button->private->context,
+ GIMP_TYPE_VIEW,
+ GIMP_TYPE_VIEWABLE,
+ button->private->view_size,
+ button->private->view_border_width,
+ FALSE);
+ gtk_container_add (GTK_CONTAINER (button), button->private->view);
+ gtk_widget_show (button->private->view);
+}
+
+static void
+gimp_pickable_button_finalize (GObject *object)
+{
+ GimpPickableButton *button = GIMP_PICKABLE_BUTTON (object);
+
+ if (button->private->context)
+ {
+ g_object_unref (button->private->context);
+ button->private->context = NULL;
+ }
+
+ if (button->private->pickable)
+ {
+ g_object_unref (button->private->pickable);
+ button->private->pickable = NULL;
+ }
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gimp_pickable_button_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GimpPickableButton *button = GIMP_PICKABLE_BUTTON (object);
+
+ switch (property_id)
+ {
+ case PROP_CONTEXT:
+ if (button->private->context)
+ g_object_unref (button->private->context);
+ button->private->context = g_value_dup_object (value);
+ break;
+ case PROP_PICKABLE:
+ gimp_pickable_button_set_pickable (button, g_value_get_object (value));
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+gimp_pickable_button_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GimpPickableButton *button = GIMP_PICKABLE_BUTTON (object);
+
+ switch (property_id)
+ {
+ case PROP_CONTEXT:
+ g_value_set_object (value, button->private->context);
+ break;
+ case PROP_PICKABLE:
+ g_value_set_object (value, button->private->pickable);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+gimp_pickable_button_clicked (GtkButton *button)
+{
+}
+
+static void
+gimp_pickable_button_drop_pickable (GtkWidget *widget,
+ gint x,
+ gint y,
+ GimpViewable *viewable,
+ gpointer data)
+{
+ gimp_pickable_button_set_pickable (GIMP_PICKABLE_BUTTON (widget),
+ GIMP_PICKABLE (viewable));
+}
+
+
+/* public functions */
+
+GtkWidget *
+gimp_pickable_button_new (GimpContext *context,
+ gint view_size,
+ gint view_border_width)
+{
+ GimpPickableButton *button;
+
+ g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
+ g_return_val_if_fail (view_size > 0 &&
+ view_size <= GIMP_VIEWABLE_MAX_BUTTON_SIZE, NULL);
+ g_return_val_if_fail (view_border_width >= 0 &&
+ view_border_width <= GIMP_VIEW_MAX_BORDER_WIDTH,
+ NULL);
+
+ button = g_object_new (GIMP_TYPE_PICKABLE_BUTTON,
+ "context", context,
+ NULL);
+
+ button->private->view_size = view_size;
+ button->private->view_border_width = view_border_width;
+
+ return GTK_WIDGET (button);
+}
+
+GimpPickable *
+gimp_pickable_button_get_pickable (GimpPickableButton *button)
+{
+ g_return_val_if_fail (GIMP_IS_PICKABLE_BUTTON (button), NULL);
+
+ return button->private->pickable;
+}
+
+void
+gimp_pickable_button_set_pickable (GimpPickableButton *button,
+ GimpPickable *pickable)
+{
+ g_return_if_fail (GIMP_IS_PICKABLE_BUTTON (button));
+
+ if (pickable != button->private->pickable)
+ {
+ if (button->private->pickable)
+ g_object_unref (button->private->pickable);
+
+ button->private->pickable = pickable;
+
+ if (button->private->pickable)
+ g_object_ref (button->private->pickable);
+
+ gimp_view_set_viewable (GIMP_VIEW (button->private->view),
+ GIMP_VIEWABLE (pickable));
+
+ g_object_notify (G_OBJECT (button), "pickable");
+ }
+}
diff --git a/app/widgets/gimppickablebutton.h b/app/widgets/gimppickablebutton.h
new file mode 100644
index 0000000..da2cd03
--- /dev/null
+++ b/app/widgets/gimppickablebutton.h
@@ -0,0 +1,60 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimppickablebutton.h
+ * Copyright (C) 2013 Michael Natterer <mitch gimp org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GIMP_PICKABLE_BUTTON_H__
+#define __GIMP_PICKABLE_BUTTON_H__
+
+
+#define GIMP_TYPE_PICKABLE_BUTTON (gimp_pickable_button_get_type ())
+#define GIMP_PICKABLE_BUTTON(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_PICKABLE_BUTTON,
GimpPickableButton))
+#define GIMP_PICKABLE_BUTTON_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_PICKABLE_BUTTON,
GimpPickableButtonClass))
+#define GIMP_IS_PICKABLE_BUTTON(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_PICKABLE_BUTTON))
+#define GIMP_IS_PICKABLE_BUTTON_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_PICKABLE_BUTTON))
+#define GIMP_PICKABLE_BUTTON_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_PICKABLE_BUTTON,
GimpPickableButtonClass))
+
+
+typedef struct _GimpPickableButtonPrivate GimpPickableButtonPrivate;
+typedef struct _GimpPickableButtonClass GimpPickableButtonClass;
+
+struct _GimpPickableButton
+{
+ GimpButton parent_instance;
+
+ GimpPickableButtonPrivate *private;
+};
+
+struct _GimpPickableButtonClass
+{
+ GimpButtonClass parent_class;
+};
+
+
+GType gimp_pickable_button_get_type (void) G_GNUC_CONST;
+
+GtkWidget * gimp_pickable_button_new (GimpContext *context,
+ gint view_size,
+ gint view_border_width);
+
+GimpPickable * gimp_pickable_button_get_pickable (GimpPickableButton *button);
+void gimp_pickable_button_set_pickable (GimpPickableButton *button,
+ GimpPickable *pickable);
+
+
+#endif /* __GIMP_PICKABLE_BUTTON_H__ */
diff --git a/app/widgets/widgets-types.h b/app/widgets/widgets-types.h
index 78a04a8..8c16430 100644
--- a/app/widgets/widgets-types.h
+++ b/app/widgets/widgets-types.h
@@ -187,6 +187,7 @@ typedef struct _GimpLanguageEntry GimpLanguageEntry;
typedef struct _GimpLanguageStore GimpLanguageStore;
typedef struct _GimpMessageBox GimpMessageBox;
typedef struct _GimpOverlayBox GimpOverlayBox;
+typedef struct _GimpPickableButton GimpPickableButton;
typedef struct _GimpPrefsBox GimpPrefsBox;
typedef struct _GimpProgressBox GimpProgressBox;
typedef struct _GimpScaleButton GimpScaleButton;
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